Tl-mr3020 + lede + extroot?

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|              WARNING               |
| knowledge required:                         |
| 1. notion of Linux                            |
| 2. notion of Linux file system                       |
| 3. notion and experience with Openwrt                 |
| 4. notion of SSH and SCP                      |
| 5. Config files of Openwrt                      |
| 6. Sysupgrade and backup                      |
| 7. Do it at your own risk                      |
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LEDE 17.01.4 TL-MR3020-V1 extroot

FACTORY https://drive.google.com/file/d/1qZfzjrCnvTIU801DxvzH6K7bY8rxTBf8/view
MD5SUM e88d670f57ea36e4d8bd378188cd70ef

SYSUPGRADE https://drive.google.com/file/d/1UvnuQ3HmL_HyCSUA2xcuRaJtcX983INd/view
MD5SUM 5cce84e7f14be89a2768f20dc3bb8b27

with usb2 storage + fs ext4 + block-mount
without LUCI (WEB)

access to SSH root@192.168.1.1 cable rj45

Before doing a backup of your configurations
and insert it into your USB flash drive and then mount and recover settings

after doing the extroot

  1. opkg update
  2. opkg install luci

I test on my TL-MR3020-V1 and is working perfectly
(Google Translator)